/* ============================================================================
   Studio Page Styles
   ========================================================================= */

/* Sticky Footer Pattern */
body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
}

/* Studio Header */
.studio-header {
  margin-bottom: var(--space-2xl);
}

.studio-header h1 {
  font-family: var(--font-heading);
  font-size: var(--font-size-4xl);
  font-weight: 600;
  line-height: 1.1;
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

.studio-description {
  font-size: var(--font-size-lg);
  line-height: 1.6;
  color: var(--color-text-secondary);
  max-width: var(--max-width-content);
}

/* Filter Controls */
.studio-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.filter-btn {
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  padding: 0 0 var(--space-xs) 0;
  border: none;
  background: transparent;
  color: var(--color-text-tertiary);
  cursor: pointer;
  transition: color 0.15s ease;
  position: relative;
}

.filter-btn:hover {
  color: var(--color-text-primary);
}

.filter-btn.is-active {
  color: var(--color-text-primary);
  font-weight: 600;
}

.filter-btn.is-active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent);
}

.filter-btn:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
}

/* Studio Grid */
.studio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

/* Studio Item Card */
.studio-item {
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.studio-item.is-hidden {
  display: none;
}

.studio-empty {
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
}

.studio-item-link {
  display: block;
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
}

.studio-item-link:hover {
  border-color: var(--color-text-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.studio-item-link:focus-visible {
  outline: 2px solid var(--color-text-primary);
  outline-offset: 2px;
}

.studio-item h2 {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-xs);
  color: var(--color-text-primary);
  font-weight: 600;
  line-height: 1.3;
  transition: color 150ms ease-out;
}

.studio-item-header {
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-sm);
}

.studio-item-type {
  font-weight: 500;
  color: var(--color-text-secondary);
  display: inline;
  text-transform: uppercase;
}

.studio-item time {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  display: inline;
}

.studio-item time::before {
  content: "·";
  margin-right: 0.3125rem;
}

.studio-item-description {
  color: var(--color-text-primary);
  line-height: var(--line-height-relaxed);
  margin: var(--space-sm) 0;
  font-size: var(--font-size-lg);
}

.studio-item .scope-indicators {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  margin: 0;
  transition: color 150ms ease-out;
}

.studio-item-link:hover .scope-indicators {
  color: var(--color-text-secondary);
}

.studio-item .scope-indicators li {
  position: relative;
  padding-right: var(--space-sm);
}

.studio-item .scope-indicators li:not(:last-child)::after {
  content: "·";
  position: absolute;
  right: 0;
  color: var(--color-border);
}

/* Responsive */
@media (min-width: 48rem) {
  .studio-header h1 {
    font-size: var(--font-size-5xl);
  }

  .studio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 64rem) {
  .studio-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .studio-item,
  .studio-item-link,
  .filter-btn {
    transition: none;
  }

  .studio-item-link:hover {
    transform: none;
  }
}